Rivet-catcher.



RIVET CATCHE.

(Application Sled Nov. 5, 1900.)

A. E. BABNHART.

No Mmm.)

UNITED STATES PATENT OFFICE.

AARON E. BARNHART, OF MILLERSTOWN, PENNSYLVANIA, ASSIGNOR TO OSCAR Z.,BARNHART, OF SAME PLACE.

SPECIFIQATION forming part of Letters Patent No. 665,722, dated January 8, 1901.

Application filed November 5,1900. Serial No. 35,621. (No modelJ* i' To (LZ/Z whom z3 may concern:

Be it known that I, AARON E. BAENHART, a citizen of the United States, residing at Millerstown, in the county of Butler, State of Pennsylvania, haveinvented certain new and useful Improvements in Rivet-Catchers, of which the following is a specification, reference being had therein to the accompanying drawings.v 1o This invention relates to rivet-catchers, and is particularly adapted for application to the lower portion of working barrels of pumps to prevent rivets or other fallin g substances from interfering with the valve or attachment carred by the lower end of the working barrel. The invention has for one object to provide a rivet-catching tray of equal or greater diarn'eter than the working barrel and so disposed within its case-at the'lower portion of 2o the barrel as to catch and hold'all falling particles without interfering with the upward fiow of liquid through the barrel.

A further object of the invention is to provide a perforated tray or cup spaced from the walls of its casing and having 'the inner wall of its annular rirn substantially in alineinent with the inner wall of the working barrel.

Other objects and advantages of the inven- 3o tion will hereinafter appear in the following description, and the novel features thereof will be particularly pointed outin the appended claims.

Referring to the drawings, Figure l is a vertical section through.. a working barrel shown in my Patent No; 464,785, having the rivet-catcher applied thereto. Fig. 2 is a horizontal section on the line 2 2 of Fig. l, and Fig. V3 is a vertical section through a 4o modified form of the invention. Like letters of reference indicate like parts in the several figures of the. drawings.

Y, As illustrating one form of the invention, I

have shown in Fig.l l the working-barrel attachment disclosed in my Patent No. 464,785, dated December 8, 1S9l,which is applied to the i lowerend of the workingbarrel. This patent shows a shell or casingAhaving centrally `supported therein a cylinder B and provided 5o at its lower portion with a valve C. The cylinder B is provided with a suitable valve not interfere with the capacity of flow.

B and discharge-openings B2, extending radially therefrom throughA the su pporting-lugs A', which con nectthe cylinder with the casing. Between these lugs passages Ag'are provided 55 for the upward'flowof the liquid around .the cylinder, and the object of the present invention is to prevent broken rivets, pieces of packing, and other substances from the work ing barrel and other parts from clogging these passages or the valve located at the lower end of the attachment.

The upper. portion Aa of the casing A is of substantially the same interior diameter as the working barrel, to which it is connected 35 in any suitable manner, while the casing below this'point is enlarged, as at A4. Within this enlarged portion the rivet-catching tray D is supported-for instance, upon the upper end of the cyiinder B. The tray is of less 7o diameter than the enlarged portion of the easing, and thus is spaced from the walls thereof, while the innerperiphery of the annular'ritn Df of the tray is substantially equal or slightly larger in diameter to the portion 715 A3 of the casin g and the working barrel above the same. This tray is provided at its lower portion with perforations D2, which permit the dischargeof liquid from the tray, yet retain therein the fallen substances. The space between the outer wall of the tray and the casing permits a constant and uninterrupted iiow of liquid around the tray, so that it does In Fig. 3 a modied'forln of the invention 85 is shown for use when it is not desired to support the tray in the attachment or when the latter may be omitted. In this form a case E is formed with threaded end portions E' and enlarged central portion E2, adapted to contain the catching-tray F. These end portions E may be threaded either upon their cylinder still I do not intend to beconined means of lugs F3. This permits a passage oi.' liquid through the tray and also around the outer edge thereof, so that the weil may flow to its full capacity.

In the operation of the invention it will be apparent that any falling rivets or other substances must follow and be guided by the inner face of the working barrel or pipe, to which the catcher is applied,and are thus positively caught within the tray, while the provision of the enlarged chamber in the casing allows a free flow of liquid around the tray and the perforated bottom permits the passage of liquid through the tray, 'thus Washing any dirt therefrom and agitating the fallen particles, so as to keep the perforations open.

It will be obvious that the tray may be supported in various manners, and Whi e the same is shown in Fig. l as provided i ith a central aperture to tit the conicailtop of the to such detail of construction. It is also 0bvious that'changes may be made in the details of construction and configuration without departing from the spirit of the invention as defined b v the appended glaiins.

Having described my rinvention and set forth its merits, what I claim, and desire to secure by Letters Patent, is-.

1. In a rivet-catcher, a casing having a reduced upper portion, and a eatching-traysnp- 1 eeexfee portedbelow said reduced portion and hav= ing the spacewithin its inner Wall of equal' .from the Walls of the casing and having its open portion of not less than equal diameter to said reduced portion, substantially as specified. i

4. In a rivet-catcher, a casing having areduced upper portion, a perforated catchingtray spaced from the wall of said casing beneath said reduced portion, and an annular rim having an opening of not'less than equal diameter to said reduced portion, substan- Y tially as specified.

In testimony whereof I afiix my signature in presence of two Witnesses.l

, AARON E. BARNHART. Witnesses:

Lo'rfr. I. LEECH, JACOB B. RUMBAUGH. 

